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Contagem.html
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Contagem.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Contagem</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="Contagem">
<span class="minutos">-</span>
<span class="números">01</span>
<span class="plus">+</span>
</div>
<script>
const plus = document.querySelector(".plus"),
minutos = document.querySelector(".minutos"),
números = document.querySelector(".números");
let a = 1;
plus.addEventListener("click",()=>{
a++;
a = (a<10) ? "0" + a : a;
números.innerText = a;
console.log(a);
});
minutos.addEventListener("click",()=>{
if(a > 1){
a--;
a = (a<10) ? "0" + a : a;
números.innerText = a;
}
});
</script>
</body>
</html>